Home / 83,883.18-115,766.94-62,625.54

Finding the Fourth Proportional to 83,883.18, 115,766.94 and 62,625.54

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Solution

The fourth proportional to 83,883.18, 115,766.94 and 62,625.54 is: 86,429.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,883.18 : 115,766.94 = 62,625.54 : x
  2. Step 2: Convert to fraction form
    83,883.18/115,766.94 = 62,625.54/x
  3. Step 3: Cross multiply
    83,883.18x = 115,766.94 × 62,625.54
  4. Step 4: Simplify right side
    83,883.18x = 7,249,967,131.65
  5. Step 5: Solve for x
    x = 7,249,967,131.65/83,883.18
  6. Step 6: Final answer
    x = 86,429.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.